US expels Russian diplomats for allegedly 'engaging in espionage' Russian United Nations Ambassador Vassily Nebenzia called it a "hostile" action.

U.S. expels 12 Russian diplomats for allegedly 'engaging in espionage'

A pedestrian walks past U.N. headquarters Friday in New York. Jeenah Moon/AP hide caption

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Jeenah Moon/AP

A pedestrian walks past U.N. headquarters Friday in New York.

Jeenah Moon/AP

The U.S. has expelled 12 Russian diplomats for allegedly "engaging in espionage activities" that threaten national security, a spokesperson for the U.S. Mission to the United Nations said Monday.

The 12 "operatives" abused their privileges of U.S. residency, said spokesperson Olivia Dalton. The move to expel the diplomats "has been in the works for several months," Dalton said.

Russia's ambassador to the United Nations, Vassily Nebenzia, told reporters that diplomats were asked to leave by March 7. Nebenzia called it "another hostile" measure against the Russian Mission to the United Nations after receiving the intel during a news conference.

Nebenzia told reporters the expulsion "grossly violated" the host country's commitment to the United Nations.

Dalton said the move was in line with the headquarters agreement.

The U.S. Department of State said no further information was available.